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| set | code | title | references | ||
|---|---|---|---|---|---|
| 4 | 414 | Request-URI Too Long |
|
The 414 (URI Too Long) status code indicates that the server is refusing to service the request because the request-target (Section 5.3 of RFC7230) is longer than the server is willing to interpret. This rare condition is only likely to occur when a client has improperly converted a POST request to a GET request with long query information, when the client has descended into a "black hole" of redirection (e.g., a redirected URI prefix that points to a suffix of itself) or when the server is under attack by a client attempting to exploit potential security holes.
A 414 response is cacheable by default; i.e., unless otherwise indicated by the method definition or explicit cache controls (see Section 4.2.2 of RFC7234).
Source: RFC7231 Section 6.5.12